/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre lite cluster file system
+ * GPL HEADER START
*
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (C) 2002 Cluster File Systems, Inc. <info@clusterfs.com>
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
-
+#ifndef _LINUX_LL_H
+#define _LINUX_LL_H
#ifndef _LL_H
-#define _LL_H
+#error Do not #include this file directly. #include <lustre_lite.h> instead
+#endif
#ifdef __KERNEL__
-#include <linux/fs.h>
-#include <linux/ext2_fs.h>
-#include <linux/proc_fs.h>
-
-#include <linux/obd_class.h>
-#include <linux/lustre_net.h>
-#include <linux/lustre_mds.h>
-#include <linux/lustre_ha.h>
-
-extern kmem_cache_t *ll_file_data_slab;
-struct ll_file_data {
- struct lustre_handle fd_mdshandle;
- struct lustre_handle fd_osthandle;
- struct ptlrpc_request *fd_req;
- __u32 fd_flags;
-};
-
-struct lustre_intent_data {
- __u64 it_lock_handle[2];
- __u32 it_disposition;
- __u32 it_status;
- __u32 it_lock_mode;
-};
+#include <linux/version.h>
-struct ll_dentry_data {
- struct semaphore lld_it_sem;
-};
+#include <asm/statfs.h>
-#define ll_d2d(dentry) ((struct ll_dentry_data*) dentry->d_fsdata)
-
-struct ll_read_inode2_cookie {
- struct mds_body *lic_body;
- struct lov_mds_md *lic_lmm;
-};
-
-#define LL_INLINESZ 60
-struct ll_inode_info {
- struct lov_stripe_md *lli_smd;
- char *lli_symlink_name;
- struct lustre_handle lli_intent_lock_handle;
- struct semaphore lli_open_sem;
- atomic_t lli_open_count; /* see ll_file_release */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
- struct inode lli_vfs_inode;
-#endif
-};
-
-
-
-#define LL_SUPER_MAGIC 0x0BD00BD0
+#include <linux/fs.h>
+#include <linux/dcache.h>
+#include <linux/proc_fs.h>
-#define LL_COMMITCBD_STOPPING 0x1
-#define LL_COMMITCBD_STOPPED 0x2
-#define LL_COMMITCBD_RUNNING 0x4
+#include <obd_class.h>
+#include <lustre_net.h>
+#include <lustre_ha.h>
-#define LL_SBI_NOLCK 0x1
+#include <linux/rbtree.h>
+#include <linux/lustre_compat25.h>
+#include <linux/pagemap.h>
-struct ll_sb_info {
- obd_uuid_t ll_sb_uuid;
- struct lustre_handle ll_mdc_conn;
- struct lustre_handle ll_osc_conn;
- struct proc_dir_entry* ll_mnt_root;
- obd_id ll_rootino; /* number of root inode */
+#ifdef HAVE_PERCPU_COUNTER
+#include <linux/percpu_counter.h>
- int ll_flags;
- wait_queue_head_t ll_commitcbd_waitq;
- wait_queue_head_t ll_commitcbd_ctl_waitq;
- int ll_commitcbd_flags;
- struct task_struct *ll_commitcbd_thread;
- time_t ll_commitcbd_waketime;
- time_t ll_commitcbd_timeout;
- spinlock_t ll_commitcbd_lock;
- struct list_head ll_conn_chain; /* per-conn chain of SBs */
+typedef struct percpu_counter lcounter_t;
- struct list_head ll_orphan_dentry_list; /*please don't ask -p*/
-};
+#define lcounter_read(counter) (int)percpu_counter_read(counter)
+#define lcounter_inc(counter) percpu_counter_inc(counter)
+#define lcounter_dec(counter) percpu_counter_dec(counter)
-static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
- return (struct ll_sb_info *)(sb->s_fs_info);
+#ifdef HAVE_PERCPU_2ND_ARG
+# define lcounter_init(counter) percpu_counter_init(counter, 0)
#else
- return (struct ll_sb_info *)(sb->u.generic_sbp);
+# define lcounter_init(counter) percpu_counter_init(counter)
#endif
-}
-
-static inline struct lustre_handle *ll_s2obdconn(struct super_block *sb)
-{
- return &(ll_s2sbi(sb))->ll_osc_conn;
-}
-static inline struct client_obd *sbi2mdc(struct ll_sb_info *sbi)
-{
- struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn);
- if (obd == NULL)
- LBUG();
- return &obd->u.cli;
-}
+#define lcounter_destroy(counter) percpu_counter_destroy(counter)
-// FIXME: replace the name of this with LL_SB to conform to kernel stuff
-static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
-{
- return ll_s2sbi(inode->i_sb);
-}
-
-
-// FIXME: replace the name of this with LL_I to conform to kernel stuff
-// static inline struct ll_inode_info *LL_I(struct inode *inode)
-static inline struct ll_inode_info *ll_i2info(struct inode *inode)
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
- return container_of(inode, struct ll_inode_info, lli_vfs_inode);
#else
- return (struct ll_inode_info *)&(inode->u.generic_ip);
-#endif
-}
-
-static inline struct lustre_handle *ll_i2obdconn(struct inode *inode)
-{
- return ll_s2obdconn(inode->i_sb);
-}
-
-static inline void ll_ino2fid(struct ll_fid *fid, obd_id ino, __u32 generation,
- int type)
-{
- fid->id = ino;
- fid->generation = generation;
- fid->f_type = type;
-}
-
-static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
-{
- ll_ino2fid(fid, inode->i_ino, inode->i_generation,
- inode->i_mode & S_IFMT);
-}
-
-static inline int ll_mds_easize(struct super_block *sb)
-{
- return sbi2mdc(ll_s2sbi(sb))->cl_max_mds_easize;
-}
-
-static inline int ll_ost_easize(struct super_block *sb)
-{
- return sbi2mdc(ll_s2sbi(sb))->cl_max_ost_easize;
-}
-
-/* namei.c */
-int ll_lock(struct inode *dir, struct dentry *dentry,
- struct lookup_intent *it, struct lustre_handle *lockh);
-int ll_unlock(__u32 mode, struct lustre_handle *lockh);
-
-typedef int (*intent_finish_cb)(int flag, struct ptlrpc_request *,
- struct dentry **, struct lookup_intent *,
- int offset, obd_id ino);
-int ll_intent_lock(struct inode *parent, struct dentry **,
- struct lookup_intent *, intent_finish_cb);
-
-/* dcache.c */
-void ll_intent_release(struct dentry *, struct lookup_intent *);
-int ll_set_dd(struct dentry *de);
-
-/****
-
-I originally implmented these as functions, then realized a macro
-would be more helpful for debugging, so the CDEBUG messages show
-the current calling function. The orignal functions are in llite/dcache.c
-
-int ll_save_intent(struct dentry * de, struct lookup_intent * it);
-struct lookup_intent * ll_get_intent(struct dentry * de);
-****/
-
-#define IT_RELEASED_MAGIC 0xDEADCAFE
-
-#define LL_SAVE_INTENT(de, it) \
-do { \
- LASSERT(ll_d2d(de) != NULL); \
- \
- down(&ll_d2d(de)->lld_it_sem); \
- LASSERT(de->d_it == NULL); \
- de->d_it = it; \
- CDEBUG(D_DENTRY, "D_IT DOWN dentry %p fsdata %p intent: %s sem %d\n", \
- de, ll_d2d(de), ldlm_it2str(de->d_it->it_op), \
- atomic_read(&(ll_d2d(de)->lld_it_sem.count))); \
-} while(0)
-
-#define LL_GET_INTENT(de, it) \
-do { \
- it = de->d_it; \
- \
- LASSERT(ll_d2d(de) != NULL); \
- LASSERT(it->it_op != IT_RELEASED_MAGIC); \
- \
- CDEBUG(D_DENTRY, "D_IT UP dentry %p fsdata %p intent: %s\n", \
- de, ll_d2d(de), ldlm_it2str(de->d_it->it_op)); \
- de->d_it = NULL; \
- it->it_op = IT_RELEASED_MAGIC; \
- up(&ll_d2d(de)->lld_it_sem); \
-} while(0)
-
-/* dir.c */
-extern struct file_operations ll_dir_operations;
-extern struct inode_operations ll_dir_inode_operations;
-
-/* file.c */
-extern struct file_operations ll_file_operations;
-extern struct inode_operations ll_file_inode_operations;
-struct ldlm_lock;
-int ll_lock_callback(struct ldlm_lock *, struct ldlm_lock_desc *, void *data,
- __u32 data_len, int flag);
-int ll_size_lock(struct inode *, struct lov_stripe_md *, obd_off start,
- int mode, struct lustre_handle **);
-int ll_size_unlock(struct inode *, struct lov_stripe_md *, int mode,
- struct lustre_handle *);
-int ll_file_size(struct inode *inode, struct lov_stripe_md *md);
-int ll_create_objects(struct super_block *sb, obd_id id, uid_t uid,
- gid_t gid, struct lov_stripe_md **lsmp);
-
-/* rw.c */
-struct page *ll_getpage(struct inode *inode, unsigned long offset,
- int create, int locked);
-void ll_truncate(struct inode *inode);
-
-/* super.c */
-void ll_update_inode(struct inode *, struct mds_body *);
-
-/* symlink.c */
-extern struct inode_operations ll_fast_symlink_inode_operations;
-extern struct inode_operations ll_symlink_inode_operations;
-
-/* sysctl.c */
-void ll_sysctl_init(void);
-void ll_sysctl_clean(void);
-
-#endif /* __KERNEL__ */
-
-#include <asm/types.h>
-
-#define LL_IOC_GETFLAGS _IOR ('f', 151, long)
-#define LL_IOC_SETFLAGS _IOW ('f', 152, long)
-#define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
-#define LL_IOC_LOV_SETSTRIPE _IOW ('f', 154, long)
-#define LL_IOC_LOV_GETSTRIPE _IOW ('f', 155, long)
-
-struct lov_user_oinfo {
- __u64 luo_id; /* object ID on the target OBD */
- __u32 luo_idx; /* OBD stripe index in lmd_objects array */
- __u32 luo_pad;
-};
-
-struct lov_user_md {
- __u64 lum_stripe_size;
- __u32 lum_stripe_pattern;
- __u32 lum_stripe_offset;
- __u32 lum_stripe_count;
- struct lov_user_oinfo lum_luoinfo[0];
+typedef struct { cfs_atomic_t count; } lcounter_t;
+
+#define lcounter_read(counter) cfs_atomic_read(&counter->count)
+#define lcounter_inc(counter) cfs_atomic_inc(&counter->count)
+#define lcounter_dec(counter) cfs_atomic_dec(&counter->count)
+#define lcounter_init(counter) cfs_atomic_set(&counter->count, 0)
+#define lcounter_destroy(counter)
+
+#endif /* if defined HAVE_PERCPU_COUNTER */
+
+/* lprocfs.c */
+enum {
+ LPROC_LL_DIRTY_HITS = 0,
+ LPROC_LL_DIRTY_MISSES,
+ LPROC_LL_WB_WRITEPAGE,
+ LPROC_LL_WB_PRESSURE,
+ LPROC_LL_WB_OK,
+ LPROC_LL_WB_FAIL,
+ LPROC_LL_READ_BYTES,
+ LPROC_LL_WRITE_BYTES,
+ LPROC_LL_BRW_READ,
+ LPROC_LL_BRW_WRITE,
+ LPROC_LL_OSC_READ,
+ LPROC_LL_OSC_WRITE,
+ LPROC_LL_IOCTL,
+ LPROC_LL_OPEN,
+ LPROC_LL_RELEASE,
+ LPROC_LL_MAP,
+ LPROC_LL_LLSEEK,
+ LPROC_LL_FSYNC,
+ LPROC_LL_SETATTR,
+ LPROC_LL_TRUNC,
+ LPROC_LL_LOCKLESS_TRUNC,
+ LPROC_LL_FLOCK,
+ LPROC_LL_GETATTR,
+ LPROC_LL_STAFS,
+ LPROC_LL_ALLOC_INODE,
+ LPROC_LL_SETXATTR,
+ LPROC_LL_GETXATTR,
+ LPROC_LL_LISTXATTR,
+ LPROC_LL_REMOVEXATTR,
+ LPROC_LL_INODE_PERM,
+ LPROC_LL_DIRECT_READ,
+ LPROC_LL_DIRECT_WRITE,
+ LPROC_LL_LOCKLESS_READ,
+ LPROC_LL_LOCKLESS_WRITE,
+ LPROC_LL_FILE_OPCODES
};
-#define O_LOV_DELAY_CREATE 0100000000 /* hopefully this does not conflict */
-
-#define LL_FILE_IGNORE_LOCK 0x00000001
+#else
+#include <lustre/lustre_idl.h>
+#endif /* __KERNEL__ */
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff